APA (7e ed.) Bronvermelding

Slimani, N., Bingham, S., Runswick, S., Ferrari, P., Day, N., Welch, A., . . . Riboli, E. (2003). Group level validation of protein intakes estimated by 24-hour diet recall and dietary questionnaires against 24-hour urinary nitrogen in the European Prospective Investigation into Cancer and Nutrition (EPIC) calibration study.

Chicago (17e ed.) Bronvermelding

Slimani, N., et al. Group Level Validation of Protein Intakes Estimated by 24-hour Diet Recall and Dietary Questionnaires Against 24-hour Urinary Nitrogen in the European Prospective Investigation into Cancer and Nutrition (EPIC) Calibration Study. 2003.

MLA (9e ed.) Bronvermelding

Slimani, N., et al. Group Level Validation of Protein Intakes Estimated by 24-hour Diet Recall and Dietary Questionnaires Against 24-hour Urinary Nitrogen in the European Prospective Investigation into Cancer and Nutrition (EPIC) Calibration Study. 2003.